Variable	Control	Ballot Secrecy	Personalized URL
Race/Ethnicity: Black	.4946	.4876	.4825
	[.5]	[.4999]	[.4997]
Race/Ethnicity: Hispanic	.0911	.1014	.1092
	[.2878]	[.3019]	[.3119]
Race/Ethnicity: Other	.0719	.078	.0798
	[.2583]	[.2682]	[.2709]
Gender: Female	.604	.6015	.6034
	[.4891]	[.4896]	[.4892]
Marital Status: Married	.1007	.0989	.1061
	[.301]	[.2985]	[.308]
Marital Status: Unknown	.006	.0052	.006
	[.0773]	[.0717]	[.0774]
Age	28.8437	28.6473	28.7082
	[10.2611]	[10.321]	[10.2596]
Age squared (divided by 100)	9.3722	9.2719	9.2941
	[7.0653]	[7.1456]	[7.0625]
FLAG: Missing age	.0051	.005	.0051
	[.0713]	[.0703]	[.0714]
Observations	3326	19912	13265
Standard deviations in brackets			
F-test p-value: 0.142			
